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If you're a serious runner, then welcome to your new favorite running shirt . . . ever. Our ASICS Speed SS running top is performance personified, with comfort, breathability, and style woven into every lightweight thread. At ASICS, we believe form and function can co-exist in perfect harmony, and the slim-fitting, modern aesthetic is more than proof positive of that.

Different runners, environments and performance levels demand different combinations. MIX UP YOUR RUN offers a wide range of categories allowing you to vary your training and helping you to become a better runner.